jump.c (delete_insn): Partially revert 19 Jan change; don't convert unused code…

jump.c (delete_insn): Partially revert 19 Jan change; don't convert unused code labels to notes at -O0.

        * jump.c (delete_insn): Partially revert 19 Jan change;
        don't convert unused code labels to notes at -O0.

From-SVN: r31758

gcc/ChangeLog

+2000-02-02  Richard Henderson  <rth@cygnus.com>
+
+	* jump.c (delete_insn): Partially revert 19 Jan change; 
+	don't convert unused code labels to notes at -O0.
+
 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
 
 	* toplev.c (rest_of_compilation): Run rebuild_jump_labels after

gcc/jump.c

@@ -4257,7 +4257,8 @@ delete_insn (insn)
 
   /* Don't delete user-declared labels.  Convert them to special NOTEs
      instead.  */
-  if (was_code_label && LABEL_NAME (insn) != 0 && ! dont_really_delete)
+  if (was_code_label && LABEL_NAME (insn) != 0
+      && optimize && ! dont_really_delete)
     {
       PUT_CODE (insn, NOTE);
       NOTE_LINE_NUMBER (insn) = NOTE_INSN_DELETED_LABEL;